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5078185 = 57145091
BaseRepresentation
bin10011010111110010101001
3100112222221221
4103113302221
52300000220
6300502041
761110130
oct23276251
910488857
105078185
112959352
12184a921
13108a558
14962917
156a49aa
hex4d7ca9

5078185 has 8 divisors (see below), whose sum is σ = 6964416. Its totient is φ = 3482160.

The previous prime is 5078167. The next prime is 5078191. The reversal of 5078185 is 5818705.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5078185 - 27 = 5078057 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5078185.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72511 + ... + 72580.

It is an arithmetic number, because the mean of its divisors is an integer number (870552).

Almost surely, 25078185 is an apocalyptic number.

It is an amenable number.

5078185 is a deficient number, since it is larger than the sum of its proper divisors (1886231).

5078185 is a wasteful number, since it uses less digits than its factorization.

5078185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145103.

The product of its (nonzero) digits is 11200, while the sum is 34.

The square root of 5078185 is about 2253.4828599304. The cubic root of 5078185 is about 171.8842853386.

The spelling of 5078185 in words is "five million, seventy-eight thousand, one hundred eighty-five".

Divisors: 1 5 7 35 145091 725455 1015637 5078185